85557500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{4889}}^1$

素因数の和:4920

約数の個数: 60

約数和(自身を含む): 213869040

約数和(自身を除く): 128311540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1750, 2500, 3500, 4375, 4889, 8750, 9778, 17500, 19556, 24445, 34223, 48890, 68446, 97780, 122225, 136892, 171115, 244450, 342230, 488900, 611125, 684460, 855575, 1222250, 1711150, 2444500, 3055625, 3422300, 4277875, 6111250, 8555750, 12222500, 17111500, 21389375, 42778750, 85557500]

約数ペア:

[(1, 85557500), (2, 42778750), (4, 21389375), (5, 17111500), (7, 12222500), (10, 8555750), (14, 6111250), (20, 4277875), (25, 3422300), (28, 3055625), (35, 2444500), (50, 1711150), (70, 1222250), (100, 855575), (125, 684460), (140, 611125), (175, 488900), (250, 342230), (350, 244450), (500, 171115), (625, 136892), (700, 122225), (875, 97780), (1250, 68446), (1750, 48890), (2500, 34223), (3500, 24445), (4375, 19556), (4889, 17500), (8750, 9778)]